import Vue from 'vue'
import VueRouter from 'vue-router'


// import Login from '../components/Login.vue'
const Login = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Login.vue')
// import Home from '../components/Home.vue'
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Home.vue')
// import Welcome from '../components/Welcome.vue'
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Welcome.vue')



// import Users from '../components/user/Users.vue'
const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/user/Users.vue')
// import Rights from '../components/power/Rights.vue'
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Rights.vue')
// import Roles from '../components/power/Roles.vue'
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Roles.vue')



// import Cate from '../components/goods/Cate.vue'
const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Cate.vue')
// import Params from '../components/goods/Params.vue'
const Params = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Params.vue')



// import GoodsList from '../components/goods/List.vue'
const GoodsList = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/List.vue')
// import Add from '../components/goods/Add.vue'
const Add = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/Add.vue')



// import Order from '../components/order/Order.vue'
const Order = () => import(/* webpackChunkName: "Order_Report" */ '../components/order/Order.vue')
// import Report from '../components/report/Report.vue'
const Report = () => import(/* webpackChunkName: "Order_Report" */ '../components/report/Report.vue')



Vue.use(VueRouter)

const routes = [{
    path: '/',
    redirect: '/login'
  },
  {
    meta:{title:'登录'},
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    redirect: '/welcome'
  },
  {
    meta:{title:'首页'},
    path: '/home',
    component: Home,
    children: [
      {
        meta:{title:'首页'},
        path: '/welcome',
        component: Welcome
      },
      {
        meta:{title:'用户列表'},
        path: '/users',
        component: Users
      },
      {
        meta:{title:'权限列表'},
        path: '/rights',
        component: Rights
      },
      {
        meta:{title:'角色列表'},
        path: '/roles',
        component: Roles
      },
      {
        meta:{title:'商品分类'},
        path: '/categories',
        component: Cate
      },
      {
        meta:{title:'分类参数'},
        path: '/params',
        component: Params
      },
      {
        meta:{title:'商品列表'},
        path:'/goods',
        component:GoodsList
      },
      {
        meta:{title:'添加商品'},
        path:'/goods/add',
        component:Add
      },
      {
        meta:{title:'订单列表'},
        path:'/orders',
        component:Order
      },
      {
        meta:{title:'数据报表'},
        path:'/reports',
        component:Report
      }
    ]
  }
]

const router = new VueRouter({
  routes
})

// 配置全局前置路由守卫
router.beforeEach((to, from, next) => {
  // 如果用户访问登录页，直接放行
  if (to.path === '/login') return next()
  const tokenStr = window.sessionStorage.getItem('token')
  // 如果没有token，强制跳转到登录页
  if (!tokenStr) return next('/login')
  // 如果有token，直接放行
  next()
})

// 配置全局后置路由守卫
router.afterEach((to,_)=>{
  document.title = to.meta.title || '电商后台管理系统'
})

export default router